﻿#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

#if !(NET35 || NET20 || PORTABLE)
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Dynamic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Linq;
#if !NETFX_CORE
using NUnit.Framework;
#else
using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
#endif
using Newtonsoft.Json.Serialization;
using Newtonsoft.Json.Tests.TestObjects;
using Newtonsoft.Json.Utilities;
using System.Globalization;
using ErrorEventArgs = Newtonsoft.Json.Serialization.ErrorEventArgs;
using File = System.IO.File;

namespace Newtonsoft.Json.Tests.Documentation
{
  public static class File
  {
    public static StreamReader OpenText(string path)
    {
      return null;
    }

    public static StreamWriter CreateText(string path)
    {
      return null;
    }

    public static void WriteAllText(string path, string contents)
    {
      Console.WriteLine(contents);
    }

    public static string ReadAllText(string path)
    {
      return null;
    }
  }

  public class LinqToJsonTests
  {
    public void LinqToJsonBasic()
    {
      #region LinqToJsonBasic
      JObject o = JObject.Parse(@"{
        'CPU': 'Intel',
        'Drives': [
          'DVD read/writer',
          '500 gigabyte hard drive'
        ]
      }");

      string cpu = (string)o["CPU"];
      // Intel

      string firstDrive = (string)o["Drives"][0];
      // DVD read/writer

      IList<string> allDrives = o["Drives"].Select(t => (string)t).ToList();
      // DVD read/writer
      // 500 gigabyte hard drive
      #endregion
    }

    public void LinqToJsonCreateNormal()
    {
      #region LinqToJsonCreateNormal
      JArray array = new JArray();
      JValue text = new JValue("Manual text");
      JValue date = new JValue(new DateTime(2000, 5, 23));

      array.Add(text);
      array.Add(date);

      string json = array.ToString();
      // [
      //   "Manual text",
      //   "2000-05-23T00:00:00"
      // ]
      #endregion
    }

    public class Post
    {
      public string Title { get; set; }
      public string Description { get; set; }
      public string Link { get; set; }
      public IList<string> Categories { get; set; }
    }

    private List<Post> GetPosts()
    {
      return null;
    }

    public void LinqToJsonCreateDeclaratively()
    {
      #region LinqToJsonCreateDeclaratively
      List<Post> posts = GetPosts();

      JObject rss =
        new JObject(
          new JProperty("channel",
            new JObject(
              new JProperty("title", "James Newton-King"),
              new JProperty("link", "http://james.newtonking.com"),
              new JProperty("description", "James Newton-King's blog."),
              new JProperty("item",
                new JArray(
                  from p in posts
                  orderby p.Title
                  select new JObject(
                    new JProperty("title", p.Title),
                    new JProperty("description", p.Description),
                    new JProperty("link", p.Link),
                    new JProperty("category",
                      new JArray(
                        from c in p.Categories
                        select new JValue(c)))))))));

      Console.WriteLine(rss.ToString());

      //{
      //  "channel": {
      //    "title": "James Newton-King",
      //    "link": "http://james.newtonking.com",
      //    "description": "James Newton-King's blog.",
      //    "item": [
      //      {
      //        "title": "Json.NET 1.3 + New license + Now on CodePlex",
      //        "description": "Annoucing the release of Json.NET 1.3, the MIT license and being available on CodePlex",
      //        "link": "http://james.newtonking.com/projects/json-net.aspx",
      //        "category": [
      //          "Json.NET",
      //          "CodePlex"
      //        ]
      //      },
      //      {
      //        "title": "LINQ to JSON beta",
      //        "description": "Annoucing LINQ to JSON",
      //        "link": "http://james.newtonking.com/projects/json-net.aspx",
      //        "category": [
      //          "Json.NET",
      //          "LINQ"
      //        ]
      //      }
      //    ]
      //  }
      //}
      #endregion
    }

    public void LinqToJsonCreateFromObject()
    {
      List<Post> posts = null;

      #region LinqToJsonCreateFromObject
      JObject o = JObject.FromObject(new
      {
        channel = new
        {
          title = "James Newton-King",
          link = "http://james.newtonking.com",
          description = "James Newton-King's blog.",
          item =
              from p in posts
              orderby p.Title
              select new
              {
                title = p.Title,
                description = p.Description,
                link = p.Link,
                category = p.Categories
              }
        }
      });
      #endregion
    }

    public void LinqToJsonCreateParse()
    {
      #region LinqToJsonCreateParse
      string json = @"{
        CPU: 'Intel',
        Drives: [
          'DVD read/writer',
          '500 gigabyte hard drive'
        ]
      }";

      JObject o = JObject.Parse(json);
      #endregion
    }

    public void LinqToJsonCreateParseArray()
    {
      #region LinqToJsonCreateParseArray
      string json = @"[
        'Small',
        'Medium',
        'Large'
      ]";

      JArray a = JArray.Parse(json);
      #endregion
    }

    public void LinqToJsonReadObject()
    {
      #region LinqToJsonReadObject
      using (StreamReader reader = File.OpenText(@"c:\person.json"))
      {
        JObject o = (JObject)JToken.ReadFrom(new JsonTextReader(reader));
        // do stuff
      }
      #endregion
    }

    public void LinqToJsonSimpleQuerying()
    {
      #region LinqToJsonSimpleQuerying
      string json = @"{
        'channel': {
          'title': 'James Newton-King',
          'link': 'http://james.newtonking.com',
          'description': 'James Newton-King's blog.',
          'item': [
            {
              'title': 'Json.NET 1.3 + New license + Now on CodePlex',
              'description': 'Annoucing the release of Json.NET 1.3, the MIT license and the source on CodePlex',
              'link': 'http://james.newtonking.com/projects/json-net.aspx',
              'categories': [
                'Json.NET',
                'CodePlex'
              ]
            },
            {
              'title': 'LINQ to JSON beta',
              'description': 'Annoucing LINQ to JSON',
              'link': 'http://james.newtonking.com/projects/json-net.aspx',
              'categories': [
                'Json.NET',
                'LINQ'
              ]
            }
          ]
        }
      }";

      JObject rss = JObject.Parse(json);

      string rssTitle = (string)rss["channel"]["title"];
      // James Newton-King

      string itemTitle = (string)rss["channel"]["item"][0]["title"];
      // Json.NET 1.3 + New license + Now on CodePlex

      JArray categories = (JArray)rss["channel"]["item"][0]["categories"];
      // ["Json.NET", "CodePlex"]

      IList<string> categoriesText = categories.Select(c => (string)c).ToList();
      // Json.NET
      // CodePlex
      #endregion
    }

    public void LinqToJsonQuerying()
    {
      JObject rss = new JObject();

      #region LinqToJsonQuerying
      var postTitles =
        from p in rss["channel"]["item"]
        select (string)p["title"];

      foreach (var item in postTitles)
      {
        Console.WriteLine(item);
      }

      //LINQ to JSON beta
      //Json.NET 1.3 + New license + Now on CodePlex

      var categories =
        from c in rss["channel"]["item"].Children()["category"].Values<string>()
        group c by c into g
        orderby g.Count() descending
        select new { Category = g.Key, Count = g.Count() };

      foreach (var c in categories)
      {
        Console.WriteLine(c.Category + " - Count: " + c.Count);
      }

      //Json.NET - Count: 2
      //LINQ - Count: 1
      //CodePlex - Count: 1
      #endregion
    }

    #region LinqToJsonDeserializeObject
    public class Shortie
    {
      public string Original { get; set; }
      public string Shortened { get; set; }
      public string Short { get; set; }
      public ShortieException Error { get; set; }
    }

    public class ShortieException
    {
      public int Code { get; set; }
      public string ErrorMessage { get; set; }
    }
    #endregion

    public void LinqToJsonDeserializeExample()
    {
      #region LinqToJsonDeserializeExample
      string jsonText = @"{
        'short': {
          'original': 'http://www.foo.com/',
          'short': 'krehqk',
          'error': {
            'code':0,
            'msg':'No action taken'
          }
      }";

      JObject json = JObject.Parse(jsonText);

      Shortie shortie = new Shortie
      {
        Original = (string)json["short"]["original"],
        Short = (string)json["short"]["short"],
        Error = new ShortieException
        {
          Code = (int)json["short"]["error"]["code"],
          ErrorMessage = (string)json["short"]["error"]["msg"]
        }
      };

      Console.WriteLine(shortie.Original);
      // http://www.foo.com/

      Console.WriteLine(shortie.Error.ErrorMessage);
      // No action taken
      #endregion
    }

    public void SelectTokenSimple()
    {
      JObject o = new JObject();

      #region SelectTokenSimple
      string name = (string)o.SelectToken("Manufacturers[0].Name");
      #endregion
    }

    public void SelectTokenComplex()
    {
      #region SelectTokenComplex
      JObject o = JObject.Parse(@"{
        'Stores': [
          'Lambton Quay',
          'Willis Street'
        ],
        'Manufacturers': [
          {
            'Name': 'Acme Co',
            'Products': [
              {
                'Name': 'Anvil',
                'Price': 50
              }
            ]
          },
          {
            'Name': 'Contoso',
            'Products': [
              {
                'Name': 'Elbow Grease',
                'Price': 99.95
              },
              {
                'Name': 'Headlight Fluid',
                'Price': 4
              }
            ]
          }
        ]
      }");

      string name = (string)o.SelectToken("Manufacturers[0].Name");
      // Acme Co

      decimal productPrice = (decimal)o.SelectToken("Manufacturers[0].Products[0].Price");
      // 50

      string productName = (string)o.SelectToken("Manufacturers[1].Products[0].Name");
      // Elbow Grease
      #endregion
    }

    public void SelectTokenLinq()
    {
      JObject o = new JObject();

      #region SelectTokenLinq
      IList<string> storeNames = o.SelectToken("Stores").Select(s => (string)s).ToList();
      // Lambton Quay
      // Willis Street

      IList<string> firstProductNames = o["Manufacturers"].Select(m => (string)m.SelectToken("Products[1].Name")).ToList();
      // null
      // Headlight Fluid

      decimal totalPrice = o["Manufacturers"].Sum(m => (decimal)m.SelectToken("Products[0].Price"));
      // 149.95
      #endregion
    }
  }
}
#endif